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V4L/DVB (7976): I2S on for MPEG of saa7134_empress 

Rework saa7134_enable_i2s function. Add vendor specific data.
Add definition for I2S audio output control register.

Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Dmitri Belimov 2008-05-21 03:16:52 -03:00 committed by Mauro Carvalho Chehab
parent 53af158a90
commit f808a9e3ce
2 changed files with 19 additions and 6 deletions
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1
drivers/media/video/saa7134/saa7134-reg.h
View File

@ -353,6 +353,7 @@
/* I2S output */
#define SAA7134_I2S_AUDIO_OUTPUT 0x1c0
#define SAA7134_I2S_AUDIO_CONTROL 0x591
/* test modes */
#define SAA7134_SPECIAL_MODE 0x1d0

24
drivers/media/video/saa7134/saa7134-tvaudio.c
View File

@ -873,13 +873,25 @@ void saa7134_enable_i2s(struct saa7134_dev *dev)
if (!card_is_empress(dev))
return;
i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01;
/* enable I2S audio output for the mpeg encoder */
saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80);
saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format);
saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F);
saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01);
switch (dev->board) {
case SAA7134_BOARD_BEHOLD_M6:
/* configure GPIO for out audio */
saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, 0x0E000000, 0x00000000);
/* Set I2S format */
saa_writeb(SAA7134_I2S_AUDIO_CONTROL, 0x00);
/* Start I2S */
saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x11);
break;
default:
i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01;
/* enable I2S audio output for the mpeg encoder */
saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80);
saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format);
saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F);
saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01);
}
}
int saa7134_tvaudio_rx2mode(u32 rx)